package com.mmall.concurrency.example.atomic;

import com.mmall.concurrency.annoation.ThreadSafe;
import lombok.Getter;
import lombok.extern.slf4j.Slf4j;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Semaphore;
import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
import java.util.concurrent.atomic.AtomicReference;
import java.util.concurrent.atomic.LongAdder;

@Slf4j
@ThreadSafe
public class AtomicExample5 {

    private static AtomicIntegerFieldUpdater<AtomicExample5> updater = AtomicIntegerFieldUpdater.newUpdater(AtomicExample5.class,"count");

    @Getter
    public volatile int count = 100;



    public static void main(String[] args) {

        AtomicExample5 example5 = new AtomicExample5();

        if(updater.compareAndSet(example5,100,120)){
            log.info("update success1,{}",example5.getCount());
        }

        if(updater.compareAndSet(example5,100,120)){
            log.info("update success2,{}",example5.getCount());
        }else {
            log.info("update falsed,{}",example5.getCount());
        }
    }
}
